The Radio As A Box Of Legos

The new Yaesu FTX-1 started shipping this week and the ham radio world is all a-flutter. The Yaesu fanboys are squealing with delight, the Yaesu haters are harumphing, and folks in the middle, like me, are taking a 'let's wait and see' attitude. 

One of the FTX-1 issues I did gripe about on Facebook is the lack of built-in GPS and Bluetooth, and no wi-fi capability. In this day and age, and particularly at this radio's price point, leaving out these features seems kinda' dumb. 

However, someone responded to my post with a strong argument against GPS, Bluetooth and wi-fi integration, and his argument made sense. Now I'm not so sure stuffing all this technology into an HF ham radio is such a good idea.

Bluetooth and wi-fi are perishable standards. This means that the standards are always advancing, and backwards compatibility can be iffy. Over the course of a few years any radio with these features will become increasingly out of step with the latest standards. As the radio ages, it becomes harder and harder to sync it with Bluetooth devices like wireless headsets, or get the radio on a working and secure wi-fi network. I'll admit, it's more likely that the radio will fail for other reasons before the Bluetooth and wi-fi features become obsolete, but it does make me think about a radio with obsolescence engineered into the box.

GPS is a bit different. The GPS data standard is stable and has a lot backwards compatibility. There is an installed base of millions of GPS devices in critical applications (like aviation) that can't be messed with. This means GPS, by its nature, is pretty 'future proof'. But GPS integration by ham radio manufacturers has always been half-assed. I've written about this in the past. What this means is that owners who want GPS info for uses beyond DSTAR or C4FM integration will get only a fraction of the potential out of the GPS receivers built into the radios.

So let's look at what a modern HF radio must have to be relevant in today's world. The list is actually pretty short. It needs to be able to transmit on all bands from 10 meters through 80, and should be able to tune continuously from  1.5 mHz to 30 mHz. The radio has to do AM, SSB & CW, and do them all well. It must have good filtering and bandwidth adjustments. And of course, some sort of audio output (speaker), a physical control interface (knobs, buttons & switches) and a virtual control interface (CAT or CI-V) via serial or USB. 

Yes, Lego does make a radio! (OK, it's not a real radio, but it's still cool. Check it out!)😄

A radio with these features, and just these features, is a very viable and a very future-proof rig. It carries no technology that will cripple it due to obsolescence. Plus, by adding external components (that 'Box of Legos' thing), you can add relevant functionality without endangering the radio's basic resistance to obsolescence. The transceiver is the core of a system to which you add functionality by dipping into the metaphorical Box of Legos.

The IC-718 has been in production for a quarter century and lacks most bells and whistles
available on current rigs, But it's still a very viable HF rig that has survived 
precisely because it lacks technologies that could have aged-out, forcing the radio from the market.
Using the Box of Legos concept, it can be easily built out to match the
capabilities of more modern rigs 

The Yaesu FT-891 is a very good basic HF rig. It lacks a lot of modern features
such as a soundcard interface, antenna tuner and GPS. Its simplicity is a strength - there's
little with this radio that will 'age-out'.
Using the Box of Legos concept, it's easy to expand the rig's capabilities to
match more sophisticated units that are packed with technologies that
will age-out.

Want to be able to match a variety of antennas? Grab an external tuner. The beauty of an external tuner is that you can match it to the mission. Just want a basic 100 watt tuner for rag chewing or low power digital modes? There's plenty of them on the market. Need to run higher power level digital modes for SHARES or MARS nets? There's a few tuners available for that. Want a battery powered tuner you can run on a POTA activation? Those are available, too, in max wattage ranges from 20 to 100.

Want to run digital modes? Virtually every radio made in the past 30 years can support digital modes. If the feature isn't built into the radio, you can easily out-board the digital signals to an external soundcard device. There's lots of good options. Amazon will sell you a very nice external USB soundcard for under $20, or you can go for a more expensive but more capable dedicated unit like the SignaLink, or one of the manufacturer-specific soundcard interfaces. Any of these options will get you on digital modes with little fuss.

Think your rig is old? Here's a picture of N6CC's field setup, running Winlink using a 70's-vintage
military AN/PRC-174 radio. and a SignaLink as the digital interface

Is  your radio's volume output a bit weak? There are plenty of small, lightweight and cheap battery powered speakers on the market. 

Two small battery powered speakers designed for use with devices like smartphones with 3.5mm
audio output jacks. These work well with radios that need a bit of extra audio 'oomph'.
The small red one in the foreground (about $12 on Amazon) actually provides better sound,
but the battery only lasts an hour or two before it needs a recharge

Need access to GPS to time sync your FT8 session? Remember, the radio doesn't care a wit about a time sync for FT8, it's the WSJT-X application running on your computer that cares. For less than $20 you can buy a USB GPS receiver to plug into your computer and get highly precise location and timing information. There's free software available that will sync your computer's system clock to the GPS timing signal. This is a far more useful solution than a GPS signal that stays locked up inside of a radio.

Here's a nice looking GPS receiver that gets good reviews and uses the ubiquitous uBlox receiver chip.
Cheap and effective 

Just add one of several free GPS monitoring applications to your Windows device, and you'll be getting far more useful GPS info than you could ever hope to from a GPS receiver installed in a modern ham radio.

To sum things up, don't be afraid to buy into old or low(er) tech radio solutions, as long as you can bring the core transceiver up to snuff using add-ons that extend the radio's usefulness without endangering its resistance to obsolescence. Have that Box of Legos filled with useful add-ons that keep your radio running - and relevant - long after current Bluetooth and wi-fi standards are no longer supported. 

W8BYH out